| Ertvaag Foto AS | Professional & scientific | 2022 |
| Es Høistad Holding AS | | 2024 |
| Es-Design AS | Professional & scientific | 2021 |
| Escape the Matrix AS | Wholesale & retail | 2024 |
| Esculap AS | Health & social care | 1999 |
| Eskerud Holding AS | | 2025 |
| Eskerud Invest AS | Financial services | 2005 |
| Eskerud NXT Holding AS | | 2025 |
| Esolution AS | Financial services | 2005 |
| Esox Invest AS | Financial services | 2008 |
| Espegard Holding AS | Real estate | 2014 |
| Espen Johansen Holding AS | | 2023 |
| Espos Holding AS | Professional & scientific | 2018 |
| Espos Norge AS | Financial services | 2011 |
| Esto Trading Edman & Åbø Ans | | 1986 |
| Ethos Bemanning AS | Administrative & support | 2014 |
| Etiam AS | Professional & scientific | 2015 |
| Etik AS | | 2022 |
| Etminan Holding AS | Health & social care | 2022 |
| EU Mur Og Puss Ans | Construction | 2001 |
| Eurasia Engros AS | Wholesale & retail | 1996 |
| Eurasia Import AS | Wholesale & retail | 1993 |
| Eurasia International AS | Wholesale & retail | 1996 |
| Eureka Drift AS | Other services | 2024 |
| Euro Industry AS | Construction | 2023 |
| Eurojuris Norge AS | Professional & scientific | 2004 |
| Europeanapplications AS | Information & communication | 2025 |
| Eva Båt AS | Wholesale & retail | 2020 |
| Evat Facility AS | Professional & scientific | 2023 |
| Evat Holding AS | Administrative & support | 2021 |
| Evcon AS | Information & communication | 2019 |
| Evenscan AS | Professional & scientific | 2025 |
| Eventhuset Lindberg AS | Administrative & support | 2020 |
| Evero Invest AS | | 2019 |
| Everyday AS | Information & communication | 2015 |
| Evidence Education AS | Information & communication | 2025 |
| Evig Eiendom AS | Real estate | 2025 |
| Evolve AS | Information & communication | 2001 |
| Ewa Spasowska AS | Health & social care | 2016 |
| Ewimed Norway AS | Wholesale & retail | 2023 |
| Ewp Holding AS | Financial services | 2006 |
| Excenta AS | Professional & scientific | 2019 |
| Expert Flyttebyrå AS | Transport & logistics | 2013 |
| Expo Arena AS | Administrative & support | 2024 |
| Express Frakt AS | Transport & logistics | 2025 |
| Exproco Limited Nuf | Administrative & support | 2009 |
| Eye Invest AS | Health & social care | 2025 |
| Eye JS AS | Health & social care | 2025 |
| EYE4IT Ans | Information & communication | 1992 |
| Engebret Eiendom A/S | Wholesale & retail | 1929 |
| Engebret Sko AS | Wholesale & retail | 1988 |
| Erling Sande A/S | Wholesale & retail | 1987 |
| F&A Medical AS | Manufacturing | 2020 |
| F.N.H Eiendom AS | Real estate | 2022 |
| F12 Auto AS | Wholesale & retail | 2026 |
| Fagerheim Bolig AS | Real estate | 2021 |
| Fagerli AS | Real estate | 2008 |
| Fagerlia Holding AS | Real estate | 2016 |
| Fagertun Eiendom Drammen AS | Real estate | 2005 |
| Fagkjøp AS | Wholesale & retail | 2025 |
| Fagtak Og Bygg AS | Construction | 2021 |
| Fair Hair AS | Wholesale & retail | 2015 |
| Fakhra Og Halil Eiendom AS | Real estate | 2014 |
| Faktureringsservice Sør AS | Professional & scientific | 1989 |
| Falch Welander Holding AS | Wholesale & retail | 2025 |
| Falco Invest AS | | 2020 |
| Falcon Management Consulting AS | Professional & scientific | 2018 |
| Fam Duric Holding Hjelpeselskap AS | | 2025 |
| Famcla AS | Wholesale & retail | 2017 |
| Fammann Holding AS | | 2024 |
| Fandla Bygg AS | Construction | 2020 |
| Fargenett Eiendom AS | Real estate | 2022 |
| Fargexperten AS | Wholesale & retail | 2017 |
| Farled Utvikling AS | Education | 2026 |
| Farmannsveien Holding AS | Real estate | 2021 |
| Farmen Eiendom AS | Real estate | 1999 |
| Farnes Eiendom AS | Real estate | 2000 |
| Fasa Consult AS | Professional & scientific | 2022 |
| Fasadefiks AS | Administrative & support | 2025 |
| Fasai Aroma & Beauty Da | Health & social care | 2013 |
| Fasan Invest AS | Real estate | 2003 |
| Fast Castle AS | Information & communication | 2026 |
| Fast.Ai AS | Information & communication | 2020 |
| Fast.Invest AS | Information & communication | 2021 |
| Fastpriseiendomsmegleren AS | Real estate | 2015 |
| Fateh AS | Wholesale & retail | 2017 |
| Fatstack Holding AS | | 2022 |
| Fauske Design AS | Professional & scientific | 2019 |
| Fauske Holding AS | Professional & scientific | 2019 |
| Favoritten Pizza & Grill AS | Hospitality | 2026 |
| FB Konsern AS | Real estate | 2025 |
| Fbo Holding AS | | 2018 |
| Fbo Prosjekt AS | | 2026 |
| FBS Group AS | Real estate | 2021 |
| FBS Hallsystemer AS | Wholesale & retail | 2021 |
| FC Investering AS | | 2024 |
| FCH Holding AS | Construction | 2014 |
| Feelgood Rundtom AS | Arts & recreation | 2017 |
| Feieteknikk AS | Administrative & support | 2018 |
| Felg Boss AS | Other services | 2025 |